Readded CardType with correct casing and fixed .csproj.

src/eShopOnContainers.Core/Models/Orders/CardType.cs

@@ -0,0 +1,8 @@
+namespace eShopOnContainers.Core.Models.Orders
+{
+    public class CardType
+    {
+        public int Id { get; set; }
+        public string Name { get; set; }
+    }
+}

src/eShopOnContainers.Core/eShopOnContainers.Core.csproj

@@ -18,4 +18,7 @@
     <PackageReference Include="IdentityModel" Version="3.0.0" />
   </ItemGroup>
 
+  <ItemGroup>
+    <None Remove="Models\Orders\CardType.CS" />
+  </ItemGroup>
 </Project>